.apptips {
  border-radius: 0.05rem;
  font-size: 0.14rem;
  word-wrap: break-word;
  padding: 0.06rem 0.13rem;
  bottom: 0.75rem;
  position: fixed;
  z-index: 100;
  left: 50%;
  will-change: transform;
  transform: translate3d(0, 0, 0);
  transform: translate(-50%, 0.25rem);
  opacity: 0;
  text-align: center;
  color: #ffffff;
  transition: all 0.3s;
  background-color: rgba(0,0,0, 0.6);
  &__show {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}